The Chelsea 680XHAHX-A3RY is an 8-bolt Power Take-Off from the Chelsea 680 Series, engineered for medium- to heavy-duty manual transmission applications on Eaton Fuller, Volvo/Mack, and Daimler/Detroit platforms. The cast iron housing and tapered cone bearings on both the input and output shafts support the series' intermittent torque rating of 375 lb-ft (508 Nm). Output options in the 680 Series include SAE A and SAE B pump flanges, ISO 7652 flange, and driveline configurations. The space-saving air shift cover design maximizes clearance under the truck. A deep mount housing option is available for Mack applications.
Features
8-bolt mounting pattern for most manual transmission applications
Cast iron housing with tapered cone bearings on input and output shafts
Intermittent torque rating up to 375 lb-ft (508 Nm) for the 680 Series
Compatible with Eaton/Fuller, Volvo/Mack, and Daimler/Detroit transmissions
Deep mount housing option supports Mack transmission applications
Space-saving air shift cover for maximum under-truck clearance
Tech Specs
- Mounting Type: 8-Bolt
- Shift Type: Wire/Cable or Mechanical
- Output Type: SAE A Pump Flange, SAE B Pump Flange, ISO 7652 Pump Flange, Driveline
- Intermittent Torque (Series): 375 lb-ft (508 Nm) - Check application pages for actual torque rating
- Continuous Operation: Yes, with 30% de-rating
- Output Power (Series): 56+ HP / 51+ kW
- Shaft Power: 36 HP at 500 RPM, 71 HP at 1000 RPM, 107 HP at 1500 RPM
- Housing Material: Cast Iron
- Transmission Compatibility: Eaton/Fuller, Volvo/Mack, Daimler/Detroit
Additional Information
Parts Manual: Chelsea 680 Series PTO Parts Manual (PDF) — exploded views, item numbers and the full parts breakdown for this series.
